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Cyclic pulse coding for fast BOTDA fiber sensors
1Scuola Superiore Sant'Anna, Pisa, Italy. m.taki@sssup.it
Optics Letters
|August 2, 2013
Abstract:
A cyclic pulse coding technique is proposed and experimentally demonstrated for fast implementation of long-range Brillouin optical time-domain analysis (BOTDA). The proposed technique allows for accurate temperature and strain measurements with meter-scale spatial resolution over kilometers of standard single-mode fiber, with subsecond measurement times.
